CN116773781A - Pollution analysis method, system and medium for perfluorinated compounds in soil - Google Patents
Pollution analysis method, system and medium for perfluorinated compounds in soil Download PDFInfo
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- CN116773781A CN116773781A CN202311042002.2A CN202311042002A CN116773781A CN 116773781 A CN116773781 A CN 116773781A CN 202311042002 A CN202311042002 A CN 202311042002A CN 116773781 A CN116773781 A CN 116773781A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 264
- 238000009792 diffusion process Methods 0.000 claims abstract description 51
- 230000008595 infiltration Effects 0.000 claims abstract description 40
- 238000001764 infiltration Methods 0.000 claims abstract description 40
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Abstract
The invention discloses a pollution analysis method, a system and a medium for perfluorinated compounds in soil, which are used for acquiring the surface layer in a soil monitoring area and perfluorinated compound monitoring data under different depths in a preset period; performing perfluoro-pollution concentration analysis and pollution diffusion analysis based on the perfluoro-compound monitoring data to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, further calculating the path selection probability of different areas, and performing perfluoro-compound pollution path prediction based on a preset path algorithm to obtain the pollution permeation path information of the perfluoro-compound; and determining the infiltration direction and the pollution depth information of each soil monitoring area based on the pollution infiltration path information, and generating a pollution control scheme based on the infiltration direction and the pollution depth information. The invention can obtain a high-precision perfluorinated compound pollution permeation path based on a pollution source, thereby being capable of generating a high-efficiency and targeted pollution control scheme.
Description
Technical Field
The invention relates to the field of pollution analysis, in particular to a pollution analysis method, a system and a medium for perfluorinated compounds in soil.
Background
Soil is a biological home, is as small as a microorganism, is as large as a group of watermelons, all depends on the soil to obtain nutrients, support growth and shield wind and rain, and is critical to the social and economic development of people, but with the progress of modern industrial technology, the soil is subjected to a large amount of artificial pollution, so that serious environmental problems are caused.
The original main industrial emissions of soil pollution are: industrial development is a major cause of soil pollution, and industrial emissions produce pollutants such as: smoke dust, sewage, heavy metals and the like directly pollute the earth surface soil and pollute the water body and underground water; the pesticide is used: the more and more widely used pesticides cause soil pollution to a certain extent, damage microorganisms in the soil, reduce the nutrient conversion rate and cause soil deterioration. Discarding garbage: in the living process, circulating garbage easily enters the soil, and can cause the event of using dangerous garbage, such as chemical garbage, toxic and harmful garbage and the like, and cause important pollution.
The perfluoro compound is a widely existing pollutant in soil, is a persistent organic pollutant, has the characteristics of difficult degradation, long-distance migration, easy bioaccumulation and the like, and has been widely detected in environmental media such as soil, water body and the like. Therefore, how to accurately monitor, analyze and control the perfluorinated compounds in the soil is an important subject for the current soil pollution analysis and treatment.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a pollution analysis method, a system and a medium for perfluorinated compounds in soil.
The first aspect of the present invention provides a pollution analysis method for perfluorinated compounds in soil, comprising:
constructing a map model based on three dimensions based on the target soil area;
dividing monitoring point areas based on the map model to obtain a plurality of soil monitoring areas;
acquiring the surface layer in the soil monitoring area and the perfluorinated compound monitoring data at different depths in a preset period;
performing perfluoro pollution concentration analysis and pollution diffusion analysis in the area based on the perfluoro compound monitoring data to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area;
Calculating path selection probability of different areas in a map space based on the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, and carrying out perfluorocompound pollution path prediction based on a preset path algorithm and combining a map model to obtain pollution permeation path information of the perfluorocompound;
and determining the infiltration direction and the pollution depth information of each soil monitoring area based on the pollution infiltration path information, and generating a pollution control scheme based on the infiltration direction and the pollution depth information.
In this scheme, the three-dimensional map model is constructed based on the target soil region, specifically:
acquiring the regional outline and regional area information of a target soil region;
constructing a soil surface layer model based on two dimensions based on the regional outline and the regional area information;
and constructing a three-dimensional map model based on the maximum monitoring depth of the target soil area and combining the soil surface layer model.
In this scheme, carry out monitoring point regional division based on map model, obtain a plurality of soil monitoring areas, specifically do:
acquiring monitoring point distribution information of a target soil area;
based on the distribution information of the soil monitoring sampling points, carrying out soil region division by combining a map model, and obtaining a plurality of monitoring regions, wherein each monitoring region comprises one soil monitoring sampling point;
And carrying out area adjustment on the plurality of monitoring areas based on the area range of the preset area, and ensuring that the area of each monitoring area is within the area range of the preset area.
In this scheme, in a preset period, acquire the perfluorinated compound monitoring data of top layer and different degree of depth in the soil monitoring area, specifically:
sampling and pollution detection are carried out on each soil monitoring area for multiple times in one monitoring period, so as to obtain the monitoring data of the perfluorinated compounds on the surface layer and at different depths;
the perfluorocompound monitoring data includes perfluorocompound species information and perfluorocompound concentration information.
In this scheme, the perfluoro compound monitoring data based on perfluoro compound concentration analysis and pollution diffusion analysis in the area, and the horizontal permeation rate and the vertical permeation rate of each soil monitoring area are obtained specifically as follows:
randomly selecting a soil monitoring area as a selected soil monitoring area;
dividing the soil monitoring area into a plurality of soil depth layer areas in a vertical dimension based on different depth monitoring points of the selected soil monitoring area;
the number of the soil depth layer areas corresponds to the number of the depth monitoring points one by one;
Analyzing the concentration change information of the perfluorinated compounds in each soil depth layer area based on the perfluorinated compounds monitoring data of the selected soil monitoring area, and obtaining a concentration fluctuation curve of each soil depth layer area;
based on the concentration fluctuation curves, analyzing the linear correlation degree and curve change rate of the concentration fluctuation curves in two adjacent soil depth layer areas to obtain the permeation rate of each soil depth layer area in the vertical direction, and marking the permeation rate as the vertical permeation rate;
all soil monitoring areas are analyzed and the vertical penetration rate of each soil depth layer area in all soil monitoring areas is obtained.
In this scheme, carry out perfluoro-pollution concentration analysis and regional pollution diffusion analysis based on perfluoro-compound monitoring data, obtain the horizontal infiltration rate and the vertical infiltration rate of every soil monitoring region, still include:
randomly acquiring a soil depth layer area from the selected soil monitoring area and marking the soil depth layer area as a current soil depth layer area;
based on the horizontal direction, acquiring adjacent areas in the current soil depth layer area and marking to obtain K adjacent soil depth layer areas;
Analyzing the concentration change information of the perfluorinated compounds of K areas adjacent to the soil depth layer based on the perfluorinated compounds monitoring data of the selected soil monitoring area, and obtaining K concentration fluctuation curves;
combining a map model, taking the current soil depth layer area as a central point, analyzing the position relationship between the central point and K adjacent soil depth layer areas in the horizontal direction, and obtaining K diffusion directions;
analyzing the linear correlation degree and curve change rate of the K concentration fluctuation curves and the concentration fluctuation curve of the current soil depth layer region, and obtaining horizontal permeation rates corresponding to the K diffusion directions;
and analyzing the rest soil depth layer areas in the selected soil monitoring area and obtaining the horizontal permeation rates corresponding to the K diffusion directions.
In this scheme, based on the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, calculate the path selection probability of different areas in the map space, based on preset path algorithm, combine the map model to carry out the perfluorocompound pollution path prediction, obtain the pollution permeation path information of perfluorocompound, specifically be:
constructing a path space model based on the map model and all soil depth layer areas in the target soil area;
Calculating a vertical path selection probability based on the vertical penetration rate of the current soil depth layer region;
obtaining horizontal path selection probability based on K diffusion directions in a horizontal layer based on K horizontal permeation rates in a current soil depth layer region;
performing data parameterization on the vertical path selection probability, K diffusion directions and K horizontal path selection probabilities of the current soil depth layer region to obtain corresponding path selection probability parameter information;
analyzing and calculating path selection probability parameter information of all soil depth layer areas in the target soil area;
obtaining the pollution source position of the perfluorinated compounds in the target soil area;
setting N ants in a path space model based on an ant colony algorithm, importing path selection probability parameter information into the path space model, and initializing pheromones based on paths in the horizontal direction and the vertical direction;
taking the pollution source position as a starting point, not setting the end point position, and taking the ant path length larger than the preset length as a termination condition to perform ant colony path movement simulation;
after N ants complete path movement simulation, recording all ant paths to obtain N simulation paths;
Selecting one of the simulation paths, judging the superposition path sections of the simulation path and the rest N-1 simulation paths, and marking the simulation path as a preferable simulation path if the superposition path section is larger than a second preset length;
analyzing and judging N simulation paths, and obtaining M optimal simulation paths;
combining the map model, carrying out path fusion on the M optimal simulation paths and obtaining pollution permeation path information;
and visually displaying the pollution permeation path information through preset terminal equipment based on the map model.
The second aspect of the present invention also provides a pollution analysis system for perfluorinated compounds in soil, the system comprising: the device comprises a memory and a processor, wherein the memory comprises a pollution analysis program for perfluorinated compounds in soil, and the pollution analysis program for perfluorinated compounds in soil realizes the following steps when being executed by the processor:
constructing a map model based on three dimensions based on the target soil area;
dividing monitoring point areas based on the map model to obtain a plurality of soil monitoring areas;
acquiring the surface layer in the soil monitoring area and the perfluorinated compound monitoring data at different depths in a preset period;
Performing perfluoro pollution concentration analysis and pollution diffusion analysis in the area based on the perfluoro compound monitoring data to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area;
calculating path selection probability of different areas in a map space based on the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, and carrying out perfluorocompound pollution path prediction based on a preset path algorithm and combining a map model to obtain pollution permeation path information of the perfluorocompound;
and determining the infiltration direction and the pollution depth information of each soil monitoring area based on the pollution infiltration path information, and generating a pollution control scheme based on the infiltration direction and the pollution depth information.
In this scheme, the three-dimensional map model is constructed based on the target soil region, specifically:
acquiring the regional outline and regional area information of a target soil region;
constructing a soil surface layer model based on two dimensions based on the regional outline and the regional area information;
and constructing a three-dimensional map model based on the maximum monitoring depth of the target soil area and combining the soil surface layer model.
The third aspect of the present invention also provides a computer-readable storage medium having embodied therein a pollution analysis program for a perfluorinated compound in soil, which when executed by a processor, implements the steps of the pollution analysis method for a perfluorinated compound in soil as set forth in any one of the above.
The invention discloses a pollution analysis method, a system and a medium for perfluorinated compounds in soil, which are used for acquiring the surface layer in a soil monitoring area and perfluorinated compound monitoring data under different depths in a preset period; performing perfluoro-pollution concentration analysis and pollution diffusion analysis based on the perfluoro-compound monitoring data to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, further calculating the path selection probability of different areas, and performing perfluoro-compound pollution path prediction based on a preset path algorithm to obtain the pollution permeation path information of the perfluoro-compound; and determining the infiltration direction and the pollution depth information of each soil monitoring area based on the pollution infiltration path information, and generating a pollution control scheme based on the infiltration direction and the pollution depth information. The invention can obtain a high-precision perfluorinated compound pollution permeation path based on a pollution source, thereby being capable of generating a high-efficiency and targeted pollution control scheme.
Drawings
FIG. 1 shows a flow chart of a method of the invention for pollution analysis of perfluorinated compounds in soil;
FIG. 2 shows a map model building flow chart of the present invention;
FIG. 3 shows a soil monitoring area acquisition flow chart of the present application;
FIG. 4 shows a block diagram of a pollution analysis system for perfluoro compounds in soil according to the present application.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.
FIG. 1 shows a flow chart of a method of the application for pollution analysis of perfluorinated compounds in soil.
As shown in fig. 1, a first aspect of the present application provides a pollution analysis method for perfluorinated compounds in soil, comprising:
s102, constructing a three-dimensional map model based on a target soil area;
s104, dividing monitoring point areas based on a map model to obtain a plurality of soil monitoring areas;
S106, acquiring the surface layer in the soil monitoring area and the perfluorinated compound monitoring data at different depths in a preset period;
s108, carrying out perfluoro pollution concentration analysis and pollution diffusion analysis in the area based on the perfluoro compound monitoring data to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area;
s110, calculating path selection probabilities of different areas in a map space based on the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, and carrying out perfluorocompound pollution path prediction by combining a map model based on a preset path algorithm to obtain pollution permeation path information of the perfluorocompound;
and S112, determining the permeation direction and the pollution depth information of each soil monitoring area based on the pollution permeation path information, and generating a pollution control scheme based on the permeation direction and the pollution depth information.
The method and the device for generating the pollution control scheme based on the pollution infiltration path information determine the infiltration direction and the pollution depth information of each soil monitoring area, and based on the infiltration direction and the pollution depth information, the pollution control scheme can be generated efficiently and pertinently because the high-precision perfluorinated compound pollution infiltration path can be obtained based on a pollution source through the method and the device, and the scheme comprises repairing control schemes such as microorganisms, organic matters, plant addition and the like.
Fig. 2 shows a map model construction flow chart of the present invention.
According to the embodiment of the invention, the three-dimensional map model is constructed based on the target soil area, specifically:
s202, acquiring the regional outline and regional area information of a target soil region;
s204, constructing a soil surface layer model based on two dimensions based on the regional outline and the regional area information;
s206, constructing a three-dimensional map model based on the maximum monitoring depth of the target soil area and combining the soil surface model.
It should be noted that the soil surface model can perform pollution analysis and visualization for the soil at the shallow position. The map model is mainly used for three-dimensional path analysis of soil pollution infiltration in the invention.
Fig. 3 shows a soil monitoring area acquisition flow chart of the present invention.
According to the embodiment of the invention, the map model is based on the division of the monitoring point areas to obtain a plurality of soil monitoring areas, which are specifically as follows:
s302, acquiring monitoring point distribution information of a target soil area;
s304, dividing soil areas based on the distribution information of the soil monitoring sampling points and combining a map model, and obtaining a plurality of monitoring areas, wherein each monitoring area comprises one soil monitoring sampling point;
S306, carrying out region adjustment on the plurality of monitoring regions based on the preset region area range, and ensuring that the area of each monitoring region is within the preset region area range.
The method is characterized in that the soil region is divided by combining the map model, specifically, grid division is performed, and the shape and the area of the divided monitoring regions are required to be adjusted until each monitoring region meets the requirements due to the irregularity of the soil region outline.
According to the embodiment of the invention, in a preset period, the perfluoro compound monitoring data of the surface layer and different depths in the soil monitoring area are obtained, specifically:
sampling and pollution detection are carried out on each soil monitoring area for multiple times in one monitoring period, so as to obtain the monitoring data of the perfluorinated compounds on the surface layer and at different depths;
the perfluorocompound monitoring data includes perfluorocompound species information and perfluorocompound concentration information.
The multiple sampling is specifically performed by a user for a set number of times, and the analysis and monitoring frequencies of the soil with different areas and different pollution degrees are different.
According to the embodiment of the invention, the perfluoro compound monitoring data is used for carrying out perfluoro pollution concentration analysis and pollution diffusion analysis in the area to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, and the method specifically comprises the following steps:
Randomly selecting a soil monitoring area as a selected soil monitoring area;
dividing the soil monitoring area into a plurality of soil depth layer areas in a vertical dimension based on different depth monitoring points of the selected soil monitoring area;
the number of the soil depth layer areas corresponds to the number of the depth monitoring points one by one;
analyzing the concentration change information of the perfluorinated compounds in each soil depth layer area based on the perfluorinated compounds monitoring data of the selected soil monitoring area, and obtaining a concentration fluctuation curve of each soil depth layer area;
based on the concentration fluctuation curves, analyzing the linear correlation degree and curve change rate of the concentration fluctuation curves in two adjacent soil depth layer areas to obtain the permeation rate of each soil depth layer area in the vertical direction, and marking the permeation rate as the vertical permeation rate;
all soil monitoring areas are analyzed and the vertical penetration rate of each soil depth layer area in all soil monitoring areas is obtained.
Among the plurality of soil depth layer regions, the first soil depth layer region is the surface soil region of the soil. The number of depth monitoring points in each soil monitoring area is the same as the depth, and the number of corresponding soil depth layer areas is also the same. Each soil monitoring zone corresponds to a zone comprising the same number of soil depth layers. If the number of soil monitoring areas in the target soil area is N1 and the number of soil depth layer areas in one soil monitoring area is N2, the total of N1 xN 2 soil depth layer areas in the target soil area.
It is worth mentioning that, because of the difference of regions and environments, the migration capability of the perfluorinated compounds in the soil in different regions is greatly different, and meanwhile, because the internal structure of the soil is complex and the content of substances is uncertain, the perfluorinated compounds in the soil permeate, i.e. pollution diffusion, in the same small region is also different, and the perfluorinated compounds are specifically reflected into different deep layer regions, and the permeation and diffusion in the horizontal direction and the vertical direction are also different.
And (3) analyzing the pollution diffusion influence of the perfluorinated compounds from horizontal and vertical dimensions based on a three-dimensional space region of the soil by constructing a map model, and further accurately analyzing the pollution path and pollution influence of the perfluorinated compounds in the soil, thereby further realizing regional perfluorinated compound pollution regulation.
According to an embodiment of the present invention, the performing perfluoro-concentration analysis and the pollution diffusion analysis in the area based on the perfluoro-compound monitoring data to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area further includes:
randomly acquiring a soil depth layer area from the selected soil monitoring area and marking the soil depth layer area as a current soil depth layer area;
based on the horizontal direction, acquiring adjacent areas in the current soil depth layer area and marking to obtain K adjacent soil depth layer areas;
Analyzing the concentration change information of the perfluorinated compounds of K areas adjacent to the soil depth layer based on the perfluorinated compounds monitoring data of the selected soil monitoring area, and obtaining K concentration fluctuation curves;
combining a map model, taking the current soil depth layer area as a central point, analyzing the position relationship between the central point and K adjacent soil depth layer areas in the horizontal direction, and obtaining K diffusion directions;
analyzing the linear correlation degree and curve change rate of the K concentration fluctuation curves and the concentration fluctuation curve of the current soil depth layer region, and obtaining horizontal permeation rates corresponding to the K diffusion directions;
and analyzing the rest soil depth layer areas in the selected soil monitoring area and obtaining the horizontal permeation rates corresponding to the K diffusion directions.
It should be noted that the K adjacent soil depth layer areas and the current soil depth layer area are not in the same soil monitoring area, and the K adjacent soil depth layer areas respectively belong to the corresponding K soil monitoring areas. Due to the irregularity of the soil on the boundary contour, there is a difference in the number of adjacent areas corresponding to different soil monitoring areas in the same depth layer in the horizontal direction. The K diffusion directions are all horizontal diffusion directions.
According to the embodiment of the invention, the path selection probability of different areas in the map space is calculated based on the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, and the pollution path prediction of the perfluorinated compounds is performed by combining a map model based on a preset path algorithm, so as to obtain pollution permeation path information of the perfluorinated compounds, which is specifically as follows:
constructing a path space model based on the map model and all soil depth layer areas in the target soil area;
calculating a vertical path selection probability based on the vertical penetration rate of the current soil depth layer region;
obtaining horizontal path selection probability based on K diffusion directions in a horizontal layer based on K horizontal permeation rates in a current soil depth layer region;
performing data parameterization on the vertical path selection probability, K diffusion directions and K horizontal path selection probabilities of the current soil depth layer region to obtain corresponding path selection probability parameter information;
analyzing and calculating path selection probability parameter information of all soil depth layer areas in the target soil area;
obtaining the pollution source position of the perfluorinated compounds in the target soil area;
setting N ants in a path space model based on an ant colony algorithm, importing path selection probability parameter information into the path space model, and initializing pheromones based on paths in the horizontal direction and the vertical direction;
Taking the pollution source position as a starting point, not setting the end point position, and taking the ant path length larger than the preset length as a termination condition to perform ant colony path movement simulation;
after N ants complete path movement simulation, recording all ant paths to obtain N simulation paths;
selecting one of the simulation paths, judging the superposition path sections of the simulation path and the rest N-1 simulation paths, and marking the simulation path as a preferable simulation path if the superposition path section is larger than a second preset length;
analyzing and judging N simulation paths, and obtaining M optimal simulation paths;
combining the map model, carrying out path fusion on the M optimal simulation paths and obtaining pollution permeation path information;
and visually displaying the pollution permeation path information through preset terminal equipment based on the map model.
It should be noted that the path space model is a sub-model in the map model, and is used for path planning, prediction and analysis, and path data obtained by analysis can be displayed in the map model. In the initialization of the pheromone by importing the path selection probability parameter information into the path space model and carrying out the path based on the horizontal direction and the vertical direction, the larger the path selection probability value is, the larger the corresponding pheromone concentration is, so that when the ant colony carries out the path selection simulation, the path with the large probability can gather more ants, and the method is very in line with the rule of the movement and migration process of the perfluoro compound in the deep soil. In the ant colony algorithm, the structure of the ant colony algorithm is improved by not setting the end position, so that the ant colony algorithm is used for simulating the migration uncertainty of perfluorinated pollutants, and the ant colony algorithm is more in line with the pollution simulation process. The second preset length is generally half of the preset length, and the preset length is set by a user. The preset terminal equipment comprises mobile terminal equipment and computer terminal equipment.
In the present invention, the permeation rate is a numerical index reflecting the extent of influence of the diffusion rate, concentration change, etc. of the perfluoro compound in the soil, and the larger the permeation rate is, the stronger the corresponding diffusion capacity is.
According to an embodiment of the present invention, further comprising:
selecting one soil monitoring area and marking the soil monitoring area as a current soil monitoring area;
based on the pollution permeation path information, judging whether the pollution permeation path passes through the current soil monitoring area or not by combining a map model;
if yes, marking the current soil monitoring area as a pollution monitoring area;
based on pollution permeation path information, acquiring all soil depth layer areas of the path passing through in a pollution monitoring area, and marking the soil depth layer areas as pollution depth layer areas;
acquiring depth information of a pollution depth layer area in a pollution monitoring area and marking the depth information as pollution depth information;
analyzing all soil monitoring areas in the target soil area, and obtaining a plurality of pollution monitoring areas and corresponding a plurality of pollution depth information;
forming a plurality of microorganism monitoring points based on the plurality of pollution monitoring areas and the plurality of pollution depth information;
soil sampling and microorganism detection are carried out on a plurality of microorganism monitoring points, so that a plurality of microorganism detection information is obtained;
And generating a microorganism treatment scheme based on the pollution monitoring area based on the microorganism monitoring points and the microorganism detection information.
It should be noted that, the infiltration pollution of the perfluorinated compound can cause the community change of microorganisms in the soil to further deteriorate the soil environment, so the method and the device can sample and analyze the soil accurately by analyzing the depth layer area where the pollution infiltration path of the perfluorinated compound passes through in a plurality of areas and based on the corresponding depth information, further analyze a reasonable and efficient microorganism treatment scheme, realize the accurate perfluorinated pollution analysis and microorganism treatment restoration of the target area, and effectively realize the purpose of green sustainable development of the soil. The microbiological treatment scheme comprises sampling and detection at microbiological monitoring points, addition of beneficial microorganisms and the like. The microorganism detection information comprises microorganism types and concentrations.
FIG. 4 shows a block diagram of a pollution analysis system for perfluoro compounds in soil according to the present invention.
The second aspect of the present invention also provides a pollution analysis system 4 for perfluorinated compounds in soil, the system comprising: a memory 41, a processor 42, said memory comprising a pollution analysis program for perfluorinated compounds in soil, said pollution analysis program for perfluorinated compounds in soil, when executed by said processor, performing the steps of:
Constructing a map model based on three dimensions based on the target soil area;
dividing monitoring point areas based on the map model to obtain a plurality of soil monitoring areas;
acquiring the surface layer in the soil monitoring area and the perfluorinated compound monitoring data at different depths in a preset period;
performing perfluoro pollution concentration analysis and pollution diffusion analysis in the area based on the perfluoro compound monitoring data to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area;
calculating path selection probability of different areas in a map space based on the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, and carrying out perfluorocompound pollution path prediction based on a preset path algorithm and combining a map model to obtain pollution permeation path information of the perfluorocompound;
and determining the infiltration direction and the pollution depth information of each soil monitoring area based on the pollution infiltration path information, and generating a pollution control scheme based on the infiltration direction and the pollution depth information.
The method and the device for generating the pollution control scheme based on the pollution infiltration path information determine the infiltration direction and the pollution depth information of each soil monitoring area, and based on the infiltration direction and the pollution depth information, the pollution control scheme can be generated efficiently and pertinently because the high-precision perfluorinated compound pollution infiltration path can be obtained based on a pollution source through the method and the device, and the scheme comprises repairing control schemes such as microorganisms, organic matters, plant addition and the like.
According to the embodiment of the invention, the three-dimensional map model is constructed based on the target soil area, specifically:
acquiring the regional outline and regional area information of a target soil region;
constructing a soil surface layer model based on two dimensions based on the regional outline and the regional area information;
and constructing a three-dimensional map model based on the maximum monitoring depth of the target soil area and combining the soil surface layer model.
It should be noted that the soil surface model can perform pollution analysis and visualization for the soil at the shallow position. The map model is mainly used for three-dimensional path analysis of soil pollution infiltration in the invention.
According to the embodiment of the invention, the map model is based on the division of the monitoring point areas to obtain a plurality of soil monitoring areas, which are specifically as follows:
acquiring monitoring point distribution information of a target soil area;
based on the distribution information of the soil monitoring sampling points, carrying out soil region division by combining a map model, and obtaining a plurality of monitoring regions, wherein each monitoring region comprises one soil monitoring sampling point;
and carrying out area adjustment on the plurality of monitoring areas based on the area range of the preset area, and ensuring that the area of each monitoring area is within the area range of the preset area.
The method is characterized in that the soil region is divided by combining the map model, specifically, grid division is performed, and the shape and the area of the divided monitoring regions are required to be adjusted until each monitoring region meets the requirements due to the irregularity of the soil region outline.
According to the embodiment of the invention, in a preset period, the perfluoro compound monitoring data of the surface layer and different depths in the soil monitoring area are obtained, specifically:
sampling and pollution detection are carried out on each soil monitoring area for multiple times in one monitoring period, so as to obtain the monitoring data of the perfluorinated compounds on the surface layer and at different depths;
the perfluorocompound monitoring data includes perfluorocompound species information and perfluorocompound concentration information.
The multiple sampling is specifically performed by a user for a set number of times, and the analysis and monitoring frequencies of the soil with different areas and different pollution degrees are different.
According to the embodiment of the invention, the perfluoro compound monitoring data is used for carrying out perfluoro pollution concentration analysis and pollution diffusion analysis in the area to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, and the method specifically comprises the following steps:
Randomly selecting a soil monitoring area as a selected soil monitoring area;
dividing the soil monitoring area into a plurality of soil depth layer areas in a vertical dimension based on different depth monitoring points of the selected soil monitoring area;
the number of the soil depth layer areas corresponds to the number of the depth monitoring points one by one;
analyzing the concentration change information of the perfluorinated compounds in each soil depth layer area based on the perfluorinated compounds monitoring data of the selected soil monitoring area, and obtaining a concentration fluctuation curve of each soil depth layer area;
based on the concentration fluctuation curves, analyzing the linear correlation degree and curve change rate of the concentration fluctuation curves in two adjacent soil depth layer areas to obtain the permeation rate of each soil depth layer area in the vertical direction, and marking the permeation rate as the vertical permeation rate;
all soil monitoring areas are analyzed and the vertical penetration rate of each soil depth layer area in all soil monitoring areas is obtained.
Among the plurality of soil depth layer regions, the first soil depth layer region is the surface soil region of the soil. The number of depth monitoring points in each soil monitoring area is the same as the depth, and the number of corresponding soil depth layer areas is also the same. Each soil monitoring zone corresponds to a zone comprising the same number of soil depth layers. If the number of soil monitoring areas in the target soil area is N1 and the number of soil depth layer areas in one soil monitoring area is N2, the total of N1 xN 2 soil depth layer areas in the target soil area.
It is worth mentioning that, because of the difference of regions and environments, the migration capability of the perfluorinated compounds in the soil in different regions is greatly different, and meanwhile, because the internal structure of the soil is complex and the content of substances is uncertain, the perfluorinated compounds in the soil permeate, i.e. pollution diffusion, in the same small region is also different, and the perfluorinated compounds are specifically reflected into different deep layer regions, and the permeation and diffusion in the horizontal direction and the vertical direction are also different.
And (3) analyzing the pollution diffusion influence of the perfluorinated compounds from horizontal and vertical dimensions based on a three-dimensional space region of the soil by constructing a map model, and further accurately analyzing the pollution path and pollution influence of the perfluorinated compounds in the soil, thereby further realizing regional perfluorinated compound pollution regulation.
According to an embodiment of the present invention, the performing perfluoro-concentration analysis and the pollution diffusion analysis in the area based on the perfluoro-compound monitoring data to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area further includes:
randomly acquiring a soil depth layer area from the selected soil monitoring area and marking the soil depth layer area as a current soil depth layer area;
based on the horizontal direction, acquiring adjacent areas in the current soil depth layer area and marking to obtain K adjacent soil depth layer areas;
Analyzing the concentration change information of the perfluorinated compounds of K areas adjacent to the soil depth layer based on the perfluorinated compounds monitoring data of the selected soil monitoring area, and obtaining K concentration fluctuation curves;
combining a map model, taking the current soil depth layer area as a central point, analyzing the position relationship between the central point and K adjacent soil depth layer areas in the horizontal direction, and obtaining K diffusion directions;
analyzing the linear correlation degree and curve change rate of the K concentration fluctuation curves and the concentration fluctuation curve of the current soil depth layer region, and obtaining horizontal permeation rates corresponding to the K diffusion directions;
and analyzing the rest soil depth layer areas in the selected soil monitoring area and obtaining the horizontal permeation rates corresponding to the K diffusion directions.
It should be noted that the K adjacent soil depth layer areas and the current soil depth layer area are not in the same soil monitoring area, and the K adjacent soil depth layer areas respectively belong to the corresponding K soil monitoring areas. Due to the irregularity of the soil on the boundary contour, there is a difference in the number of adjacent areas corresponding to different soil monitoring areas in the same depth layer in the horizontal direction. The K diffusion directions are all horizontal diffusion directions.
According to the embodiment of the invention, the path selection probability of different areas in the map space is calculated based on the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, and the pollution path prediction of the perfluorinated compounds is performed by combining a map model based on a preset path algorithm, so as to obtain pollution permeation path information of the perfluorinated compounds, which is specifically as follows:
constructing a path space model based on the map model and all soil depth layer areas in the target soil area;
calculating a vertical path selection probability based on the vertical penetration rate of the current soil depth layer region;
obtaining horizontal path selection probability based on K diffusion directions in a horizontal layer based on K horizontal permeation rates in a current soil depth layer region;
performing data parameterization on the vertical path selection probability, K diffusion directions and K horizontal path selection probabilities of the current soil depth layer region to obtain corresponding path selection probability parameter information;
analyzing and calculating path selection probability parameter information of all soil depth layer areas in the target soil area;
obtaining the pollution source position of the perfluorinated compounds in the target soil area;
setting N ants in a path space model based on an ant colony algorithm, importing path selection probability parameter information into the path space model, and initializing pheromones based on paths in the horizontal direction and the vertical direction;
Taking the pollution source position as a starting point, not setting the end point position, and taking the ant path length larger than the preset length as a termination condition to perform ant colony path movement simulation;
after N ants complete path movement simulation, recording all ant paths to obtain N simulation paths;
selecting one of the simulation paths, judging the superposition path sections of the simulation path and the rest N-1 simulation paths, and marking the simulation path as a preferable simulation path if the superposition path section is larger than a second preset length;
analyzing and judging N simulation paths, and obtaining M optimal simulation paths;
combining the map model, carrying out path fusion on the M optimal simulation paths and obtaining pollution permeation path information;
and visually displaying the pollution permeation path information through preset terminal equipment based on the map model.
It should be noted that the path space model is a sub-model in the map model, and is used for path planning, prediction and analysis, and path data obtained by analysis can be displayed in the map model. In the initialization of the pheromone by importing the path selection probability parameter information into the path space model and carrying out the path based on the horizontal direction and the vertical direction, the larger the path selection probability value is, the larger the corresponding pheromone concentration is, so that when the ant colony carries out the path selection simulation, the path with the large probability can gather more ants, and the method is very in line with the rule of the movement and migration process of the perfluoro compound in the deep soil. In the ant colony algorithm, the structure of the ant colony algorithm is improved by not setting the end position, so that the ant colony algorithm is used for simulating the migration uncertainty of perfluorinated pollutants, and the ant colony algorithm is more in line with the pollution simulation process. The second preset length is generally half of the preset length, and the preset length is set by a user. The preset terminal equipment comprises mobile terminal equipment and computer terminal equipment.
In the present invention, the permeation rate is a numerical index reflecting the extent of influence of the diffusion rate, concentration change, etc. of the perfluoro compound in the soil, and the larger the permeation rate is, the stronger the corresponding diffusion capacity is.
According to an embodiment of the present invention, further comprising:
selecting one soil monitoring area and marking the soil monitoring area as a current soil monitoring area;
based on the pollution permeation path information, judging whether the pollution permeation path passes through the current soil monitoring area or not by combining a map model;
if yes, marking the current soil monitoring area as a pollution monitoring area;
based on pollution permeation path information, acquiring all soil depth layer areas of the path passing through in a pollution monitoring area, and marking the soil depth layer areas as pollution depth layer areas;
acquiring depth information of a pollution depth layer area in a pollution monitoring area and marking the depth information as pollution depth information;
analyzing all soil monitoring areas in the target soil area, and obtaining a plurality of pollution monitoring areas and corresponding a plurality of pollution depth information;
forming a plurality of microorganism monitoring points based on the plurality of pollution monitoring areas and the plurality of pollution depth information;
soil sampling and microorganism detection are carried out on a plurality of microorganism monitoring points, so that a plurality of microorganism detection information is obtained;
And generating a microorganism treatment scheme based on the pollution monitoring area based on the microorganism monitoring points and the microorganism detection information.
It should be noted that, the infiltration pollution of the perfluorinated compound can cause the community change of microorganisms in the soil to further deteriorate the soil environment, so the method and the device can sample and analyze the soil accurately by analyzing the depth layer area where the pollution infiltration path of the perfluorinated compound passes through in a plurality of areas and based on the corresponding depth information, further analyze a reasonable and efficient microorganism treatment scheme, realize the accurate perfluorinated pollution analysis and microorganism treatment restoration of the target area, and effectively realize the purpose of green sustainable development of the soil. The microbiological treatment scheme comprises sampling and detection at microbiological monitoring points, addition of beneficial microorganisms and the like. The microorganism detection information comprises microorganism types and concentrations.
The third aspect of the present invention also provides a computer-readable storage medium having embodied therein a pollution analysis program for a perfluorinated compound in soil, which when executed by a processor, implements the steps of the pollution analysis method for a perfluorinated compound in soil as set forth in any one of the above.
The application discloses a pollution analysis method, a system and a medium for perfluorinated compounds in soil, which are used for acquiring the surface layer in a soil monitoring area and perfluorinated compound monitoring data under different depths in a preset period; performing perfluoro-pollution concentration analysis and pollution diffusion analysis based on the perfluoro-compound monitoring data to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, further calculating the path selection probability of different areas, and performing perfluoro-compound pollution path prediction based on a preset path algorithm to obtain the pollution permeation path information of the perfluoro-compound; and determining the infiltration direction and the pollution depth information of each soil monitoring area based on the pollution infiltration path information, and generating a pollution control scheme based on the infiltration direction and the pollution depth information. The application can obtain a high-precision perfluorinated compound pollution permeation path based on a pollution source, thereby being capable of generating a high-efficiency and targeted pollution control scheme.
In the several embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above described device embodiments are only illustrative, e.g. the division of the units is only one logical function division, and there may be other divisions in practice, such as: multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. In addition, the various components shown or discussed may be coupled or directly coupled or communicatively coupled to each other via some interface, whether indirectly coupled or communicatively coupled to devices or units, whether electrically, mechanically, or otherwise.
The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units; can be located in one place or distributed to a plurality of network units; some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present invention may be integrated in one processing unit, or each unit may be separately used as one unit, or two or more units may be integrated in one unit; the integrated units may be implemented in hardware or in hardware plus software functional units.
Those of ordinary skill in the art will appreciate that: all or part of the steps for implementing the above method embodiments may be implemented by hardware related to program instructions, and the foregoing program may be stored in a computer readable storage medium, where the program, when executed, performs steps including the above method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk or an optical disk, or the like, which can store program codes.
Alternatively, the above-described integrated units of the present invention may be stored in a computer-readable storage medium if implemented in the form of software functional modules and sold or used as separate products. Based on such understanding, the technical solutions of the embodiments of the present invention may be embodied in essence or a part contributing to the prior art in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, ROM, RAM, magnetic or optical disk, or other medium capable of storing program code.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for pollution analysis of perfluorinated compounds in soil, comprising:
constructing a map model based on three dimensions based on the target soil area;
dividing monitoring point areas based on the map model to obtain a plurality of soil monitoring areas;
acquiring the surface layer in the soil monitoring area and the perfluorinated compound monitoring data at different depths in a preset period;
performing perfluoro pollution concentration analysis and pollution diffusion analysis in the area based on the perfluoro compound monitoring data to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area;
calculating path selection probability of different areas in a map space based on the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, and carrying out perfluorocompound pollution path prediction based on a preset path algorithm and combining a map model to obtain pollution permeation path information of the perfluorocompound;
and determining the infiltration direction and the pollution depth information of each soil monitoring area based on the pollution infiltration path information, and generating a pollution control scheme based on the infiltration direction and the pollution depth information.
2. The pollution analysis method for perfluorinated compounds in soil according to claim 1, wherein the construction of the three-dimensional map model based on the target soil area is specifically:
Acquiring the regional outline and regional area information of a target soil region;
constructing a soil surface layer model based on two dimensions based on the regional outline and the regional area information;
and constructing a three-dimensional map model based on the maximum monitoring depth of the target soil area and combining the soil surface layer model.
3. The pollution analysis method for perfluorinated compounds in soil according to claim 1, wherein the map model is based on the division of monitoring points to obtain a plurality of soil monitoring areas, specifically:
acquiring monitoring point distribution information of a target soil area;
based on the distribution information of the soil monitoring sampling points, carrying out soil region division by combining a map model, and obtaining a plurality of monitoring regions, wherein each monitoring region comprises one soil monitoring sampling point;
and carrying out area adjustment on the plurality of monitoring areas based on the area range of the preset area, and ensuring that the area of each monitoring area is within the area range of the preset area.
4. The method for analyzing the pollution of the perfluorinated compounds in the soil according to claim 1, wherein the acquiring of the perfluorinated compounds monitoring data at the surface layer and different depths in the soil monitoring area is performed within a preset period, specifically:
Sampling and pollution detection are carried out on each soil monitoring area for multiple times in one monitoring period, so as to obtain the monitoring data of the perfluorinated compounds on the surface layer and at different depths;
the perfluorocompound monitoring data includes perfluorocompound species information and perfluorocompound concentration information.
5. The method for analyzing the perfluorinated compounds in soil according to claim 4, wherein the perfluorinated compound monitoring data is used for perfluorinated compound concentration analysis and area pollution diffusion analysis to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, specifically:
randomly selecting a soil monitoring area as a selected soil monitoring area;
dividing the soil monitoring area into a plurality of soil depth layer areas in a vertical dimension based on different depth monitoring points of the selected soil monitoring area;
the number of the soil depth layer areas corresponds to the number of the depth monitoring points one by one;
analyzing the concentration change information of the perfluorinated compounds in each soil depth layer area based on the perfluorinated compounds monitoring data of the selected soil monitoring area, and obtaining a concentration fluctuation curve of each soil depth layer area;
Based on the concentration fluctuation curves, analyzing the linear correlation degree and curve change rate of the concentration fluctuation curves in two adjacent soil depth layer areas to obtain the permeation rate of each soil depth layer area in the vertical direction, and marking the permeation rate as the vertical permeation rate;
all soil monitoring areas are analyzed and the vertical penetration rate of each soil depth layer area in all soil monitoring areas is obtained.
6. The method for analyzing the pollution of the perfluorinated compounds in the soil according to claim 5, wherein the perfluorinated compound monitoring data based on the perfluorinated compound monitoring data is used for perfluorinated compound concentration analysis and pollution diffusion analysis in areas, so as to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, and the method further comprises the steps of:
randomly acquiring a soil depth layer area from the selected soil monitoring area and marking the soil depth layer area as a current soil depth layer area;
based on the horizontal direction, acquiring adjacent areas in the current soil depth layer area and marking to obtain K adjacent soil depth layer areas;
analyzing the concentration change information of the perfluorinated compounds of K areas adjacent to the soil depth layer based on the perfluorinated compounds monitoring data of the selected soil monitoring area, and obtaining K concentration fluctuation curves;
Combining a map model, taking the current soil depth layer area as a central point, analyzing the position relationship between the central point and K adjacent soil depth layer areas in the horizontal direction, and obtaining K diffusion directions;
analyzing the linear correlation degree and curve change rate of the K concentration fluctuation curves and the concentration fluctuation curve of the current soil depth layer region, and obtaining horizontal permeation rates corresponding to the K diffusion directions;
and analyzing the rest soil depth layer areas in the selected soil monitoring area and obtaining the horizontal permeation rates corresponding to the K diffusion directions.
7. The method for analyzing the pollution of the perfluorinated compounds in the soil according to claim 6, wherein the method is characterized in that the path selection probability of different areas in the map space is calculated based on the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, and the perfluorinated compound pollution path prediction is performed by combining a map model based on a preset path algorithm, so as to obtain the pollution permeation path information of the perfluorinated compounds, and specifically comprises the following steps:
constructing a path space model based on the map model and all soil depth layer areas in the target soil area;
calculating a vertical path selection probability based on the vertical penetration rate of the current soil depth layer region;
Obtaining horizontal path selection probability based on K diffusion directions in a horizontal layer based on K horizontal permeation rates in a current soil depth layer region;
performing data parameterization on the vertical path selection probability, K diffusion directions and K horizontal path selection probabilities of the current soil depth layer region to obtain corresponding path selection probability parameter information;
analyzing and calculating path selection probability parameter information of all soil depth layer areas in the target soil area;
obtaining the pollution source position of the perfluorinated compounds in the target soil area;
setting N ants in a path space model based on an ant colony algorithm, importing path selection probability parameter information into the path space model, and initializing pheromones based on paths in the horizontal direction and the vertical direction;
taking the pollution source position as a starting point, not setting the end point position, and taking the ant path length larger than the preset length as a termination condition to perform ant colony path movement simulation;
after N ants complete path movement simulation, recording all ant paths to obtain N simulation paths;
selecting one of the simulation paths, judging the superposition path sections of the simulation path and the rest N-1 simulation paths, and marking the simulation path as a preferable simulation path if the superposition path section is larger than a second preset length;
Analyzing and judging N simulation paths, and obtaining M optimal simulation paths;
combining the map model, carrying out path fusion on the M optimal simulation paths and obtaining pollution permeation path information;
and visually displaying the pollution permeation path information through preset terminal equipment based on the map model.
8. A pollution analysis system for perfluoro compounds in soil, the system comprising: the device comprises a memory and a processor, wherein the memory comprises a pollution analysis program for perfluorinated compounds in soil, and the pollution analysis program for perfluorinated compounds in soil realizes the following steps when being executed by the processor:
constructing a map model based on three dimensions based on the target soil area;
dividing monitoring point areas based on the map model to obtain a plurality of soil monitoring areas;
acquiring the surface layer in the soil monitoring area and the perfluorinated compound monitoring data at different depths in a preset period;
performing perfluoro pollution concentration analysis and pollution diffusion analysis in the area based on the perfluoro compound monitoring data to obtain the horizontal permeation rate and the vertical permeation rate of each soil monitoring area;
calculating path selection probability of different areas in a map space based on the horizontal permeation rate and the vertical permeation rate of each soil monitoring area, and carrying out perfluorocompound pollution path prediction based on a preset path algorithm and combining a map model to obtain pollution permeation path information of the perfluorocompound;
And determining the infiltration direction and the pollution depth information of each soil monitoring area based on the pollution infiltration path information, and generating a pollution control scheme based on the infiltration direction and the pollution depth information.
9. The pollution analysis system for perfluorinated compounds in soil according to claim 8, wherein said constructing a three-dimensional based map model based on a target soil area is specifically:
acquiring the regional outline and regional area information of a target soil region;
constructing a soil surface layer model based on two dimensions based on the regional outline and the regional area information;
and constructing a three-dimensional map model based on the maximum monitoring depth of the target soil area and combining the soil surface layer model.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium includes therein a pollution analysis program for a perfluorinated compound in soil, which when executed by a processor, implements the steps of the pollution analysis method for a perfluorinated compound in soil according to any one of claims 1 to 7.
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| CN117610742A (en) * | 2023-12-21 | 2024-02-27 | 北京建工环境修复股份有限公司 | Urban carbon tracking analysis method, system and storage medium |
| CN117610742B (en) * | 2023-12-21 | 2024-05-03 | 北京建工环境修复股份有限公司 | Urban carbon tracking analysis method, system and storage medium |
| CN117969159A (en) * | 2024-03-01 | 2024-05-03 | 浙江求实环境监测有限公司 | Soil pollution detects early warning system based on artificial intelligence |
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